71380.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:42:35:fe:66:78:c2:a4:82:39:a2:b2:cd:09:53:0a:03:a7 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=71380.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:42:35:fe:66:78:c2:a4:82:39:a2:b2:cd:09:53:0a:03:a7
Serial Number (int): 370979549949374991607452562960727247815591
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 97:c7:a8:5c:59:86:23:99:f2:6e:64:a3:77:b8:34:3a:af:8b:bc:a4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:c4:d3:8f:ce:79:40:19:fb:38:5c:25:3d:c5:c3:02:81:a6:dd:a0
Fingerprint (sha256): cf:bc:c1:c3:7a:aa:8b:39:4d:43:5e:cf:18:e3:4e:b8:25:f5:41:cf:dd:cb:b5:1c:26:68:9e:1d:a7:19:6c:ba

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate 71380.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 71380.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

71380.com

Other certificates including the domain name 71380.com

(limited to 100 certificates)
71380.com
www.71370.com
www.71610.com
71380.com
71380.com
71380.com
www.71380.com
71380.com
www.71380.com
www.71380.com
www.71380.com
www.71380.com
abeach.life
celebxr.com
tatertots.world
71380.com
www.driveswitzerland.ch

Certificate

The complete raw certificate details for 71380.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 370979549949374991607452562960727247815591
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-02 18:56:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 18:56:42 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '71380.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 707914827574895548143631279190884946070031043148032440174816224892915379869007173462239517844803371261132223533463802651783889356310932655388173135063661705126995794878250374801017583815626284154160536963787653746202049408702853797871573560090158876325215599475239359675338459688528921477102974517017172388637054398998616610060763337015987216594385361877919142063475240519087484983491667661057792215344491174693070595431460995309182327743377855783947355235869959518516829404610204191761273132313805290626214517632786232409503035705754869460847414030635788744160403885851466562603224001504835921086530465549848449789795358277778452707283972909553425681210403038803817851827668221226503673083575551400970661439622192982495117919158415178326497961332725205298393730766701279443903629098132622665524027194509800253060285691971961673305584374214800211719845861224736272578145718289932486226235565227493775123811004728027301782657616160857501873491468146220735854206280819569868391911716263967717529552053312248469345963419207914551239966761355528683286755325707540333477744594808184498917255979299122315899997540514825319872523490203033026045902636915789113089405019164804827869397375887521872031857216723898672861266953688317489028366117
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							97c7a85c59862399f26e64a377b8343aaf8bbca4
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '71380.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ec82fc03b0000040300473045022100dddb5c11099fc1034d262d47c0882cdd22840277e6a51783bf1030082fb2591602205988b6c4bdd9285d957b8b20eded3b89db5d025bd5663e13e046271081b6f0db0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ec82fc11a0000040300483046022100afca66ed8ea3b8709cc46f85f55166728bf4ff1f7dc9c38c4af87d8f2e0ca053022100c1c2b968ea6423f8a9ce33666013a223f0b5df5b68fb5830f79c29cf7729653a
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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